Home / 1,942.06-2,912.04-845.92

Finding the Fourth Proportional to 1,942.06, 2,912.04 and 845.92

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Solution

The fourth proportional to 1,942.06, 2,912.04 and 845.92 is: 1,268.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942.06 : 2,912.04 = 845.92 : x
  2. Step 2: Convert to fraction form
    1,942.06/2,912.04 = 845.92/x
  3. Step 3: Cross multiply
    1,942.06x = 2,912.04 × 845.92
  4. Step 4: Simplify right side
    1,942.06x = 2,463,352.88
  5. Step 5: Solve for x
    x = 2,463,352.88/1,942.06
  6. Step 6: Final answer
    x = 1,268.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.